Celebrating how God’s mercy has been experienced for 800 years in a tiny stone church in Assisi, Italy, Pope Francis said people need to experience God’s forgiveness and start learning how to forgive others.

“Having this familiar relationship with the Lord is like keeping the window of our life open so that he can make his voice heard.”— Pope Francis, speaking about the importance of prayer to youth and young adults in Assisi, Italy, Oct. 4